polytetrahydrofuran是什么意思

网络释义

用法例句

Production Technologies and Market Analysis of Polytetrahydrofuran at Home and Abroad(Ⅰ);

聚四氢呋喃的生产技术及国内外市场分析(上)

Production Technologies and Market Analysis of Polytetrahydrofuran at Home and Abroad(Ⅱ);

聚四氢呋喃的生产技术及国内外市场分析(下)

Advances in production technology for polytetrahydrofuran and consideration about R&D in China;

聚四氢呋喃生产技术的发展及对我国研究开发现状的思考

In this paper,a synthetic method of PTHF with CH3COSbCl6 as catalyst was introduced and the mechanism and kinetic behaviour of polymerization of THF were discussed in detail.

ＣＨ_３ＣＯＳｂＣｌ_６催化四氢呋喃聚合的研究栗方星，王红军，马克勤（南开大学化学系，天津，３０００７１）关键词聚四氢呋喃，乙酰基六氯锑酸盐，表观聚合反应速率常数，五氯化锑ＴＨＦ聚合为平衡聚合反应应［１，２］，文献报道［３，４］Ｅｔ３Ｏ。

In this thesis, PTHF and P(E-CO-T) with narrow MWD were synthesized and their microstructure were studied.

论文主要内容如下： 以发烟硫酸-高氯酸体系为催化剂合成了聚四氢呋喃，研究了发烟硫酸用量、高氯酸用量、反应温度、反应时间、氮气保护等工艺条件对产物分子量及分子量分布的影响。

Production,Application and Market Prospect of PTMEG;

聚四氢呋喃生产应用及市场前景

Research on a New Product Strategy of PTMEG in Oil Refining Company A;

A炼油企业聚四氢呋喃产品开发策略研究

To analyze the market situation of PTMEG at home and abroad.

分析聚四氢呋喃供求关系现状,对市场需求进行了预测。

A blending polyether type polyurethane elastomer was prepared by blending polyoxypropylene ether glycol with polyterahydrofuran ether glycol.

采用环氧丙烷聚醚与四氢呋喃聚醚共混,研制出共混聚醚型聚氨酯弹性体。

The blending polyethers used were mixtures of polyoxytetramethylene ether glycol (PTMG) and polyoxypropylene ether glycol(TDL/E) with various ratios, of which the TDL/E was a new type product kindly provided by Tianjin's Third Petrochemical Plant.

本课题以四氢呋喃聚醚和环氧丙烷聚醚共混的方法，研制了共混聚醚型高性能热塑性聚氨酯弹性体，其中所使用的环氧丙烷聚醚是天津石化公司第三石油化工厂正在开发研制的新产品。

Fast increase in demand of tetrahydrofuran and poly-tetrahydrofuran;

四氢呋喃和聚四氢呋喃需求快速增长

The Ring-opening Polymerization of PDO with PTHF Acts as Macroinitiator;

聚四氢呋喃引发对二氧环己酮开环聚合的研究

Research on a New Product Strategy of PTMEG in Oil Refining Company A;

A炼油企业聚四氢呋喃产品开发策略研究

Study Compositions of Gasoline and Polytetrahydrofuran by Near Infrared Spectroscopy;

汽油和聚四氢呋喃组成的近红外光谱研究

Production Technologies and Market Analysis of Polytetrahydrofuran at Home and Abroad(Ⅱ);

聚四氢呋喃的生产技术及国内外市场分析(下)

The Produce Statue and development proposal of polytetramethlene ether glycol;

国内外聚四氢呋喃的生产状况及开发建议

Determination of Micro Phosphorictungsto Acid in Polytetrahydrofuran by Spectrophotometry

硫氰酸盐分光光度法测定聚四氢呋喃中微量磷钨酸

Catalytic Synthesis of Polytetrahydrofuran by Phosphotungstic Heteropoly Acid Supported on Mesoporous Silica

介孔二氧化硅负载磷钨杂多酸催化合成聚四氢呋喃

Synthesis of Tetrahydrofuran and Propylene Oxide Copolyether

四氢呋喃—环氧丙烷共聚醚的合成研究

Tetrahydrofuran polymerization catalyzed by organic-inorganic hybrid clay

有机-无机杂化黏土催化四氢呋喃聚合

STUDY OF CHAIN TRANSFER TO ACETIC ANHYDRIDE IN THE POLYMERIZATION OF TETRAHYDROFURAN

四氢呋喃在苯中聚合向醋酸酐链转移的研究

Electrospinning of polyurethane solution based on tetrahydrofuran/N,N-dimethyl formamide

基于四氢呋喃/二甲基甲酰胺的聚氨酯静电纺丝

Study on tetrahydrofuran ring-opening polymerization initiated by low-concentration heteropolyacid

低浓度杂多酸引发四氢呋喃开环聚合的研究

TBAB-THF Hydrate Mixture as a Cold Storage Medium

四丁基溴化铵-四氢呋喃系蓄冷水合物

Study on EO-THF Copolymer Reference Materials Used in Solid Propellant;

高能固体推进剂用聚（环氧乙烷—四氢呋喃）标准物质的研究与制备

Polymerization of Acrylonitrile Catalyzed by Cyclopentadienyl Sodium /Tetrahydrofuran System;

环戊二烯钠/四氢呋喃体系催化丙烯腈聚合反应研究

Vapor--Liquid Equilibrium Data for Methanol-Tetrahydrofuran-Potassium Acetate System

甲醇-四氢呋喃-乙酸钾体系汽液平衡

A Tandem Reformatsky-Cyclization Reaction to Synthesize Substituted Tetrahydrofurans;

Reformatsky-环化反应合成取代四氢呋喃